/**
 * Spherical-harmonics degree-2 evaluation (5 additional coefficients per
 * channel, indices [3..7]).
 *
 * Reads:   dirX, dirY, dirZ, base, splats, COEFFS_PER_CHANNEL,
 *          SH_C2_0, SH_C2_1, SH_C2_2, SH_C2_3, SH_C2_4
 * Defines: (mutates) cR, cG, cB
 */
declare const shBand2 = "\n    {\n        let n = COEFFS_PER_CHANNEL;\n        let shBase = base + 14u;\n        let xx2 = dirX * dirX;\n        let yy2 = dirY * dirY;\n        let zz2 = dirZ * dirZ;\n        let xy2 = dirX * dirY;\n        let yz2 = dirY * dirZ;\n        let xz2 = dirX * dirZ;\n        let b3 = SH_C2_0 * xy2;\n        let b4 = SH_C2_1 * yz2;\n        let b5 = SH_C2_2 * (2.0 * zz2 - xx2 - yy2);\n        let b6 = SH_C2_3 * xz2;\n        let b7 = SH_C2_4 * (xx2 - yy2);\n        cR = cR + b3 * splats[shBase + 3u] + b4 * splats[shBase + 4u] + b5 * splats[shBase + 5u] + b6 * splats[shBase + 6u] + b7 * splats[shBase + 7u];\n        cG = cG + b3 * splats[shBase + n + 3u] + b4 * splats[shBase + n + 4u] + b5 * splats[shBase + n + 5u] + b6 * splats[shBase + n + 6u] + b7 * splats[shBase + n + 7u];\n        cB = cB + b3 * splats[shBase + 2u * n + 3u] + b4 * splats[shBase + 2u * n + 4u] + b5 * splats[shBase + 2u * n + 5u] + b6 * splats[shBase + 2u * n + 6u] + b7 * splats[shBase + 2u * n + 7u];\n    }\n";
export { shBand2 };